diff --git a/parsedmarc/Dockerfile b/parsedmarc/Dockerfile
index 04f8e24..c2ea0cd 100644
--- a/parsedmarc/Dockerfile
+++ b/parsedmarc/Dockerfile
@@ -1,7 +1,9 @@
 FROM python:3.9-alpine3.16
 
-RUN apk add build-base libxml2-dev libxslt-dev libffi-dev \
-    && pip install parsedmarc
+RUN apk add --update --no-cache libxml2-dev libxslt-dev
+RUN apk add --update --no-cache --virtual .build_deps build-base libffi-dev \
+    && pip install parsedmarc \
+    && apk del .build_deps
 
 COPY parsedmarc.ini /
 #COPY GeoLite2-Country.mmdb /usr/share/GeoIP/GeoLite2-Country.mmdb